以下为句子列表：
英文: The results show that the cohesion of unsaturated soil changes greatly, and the friction angle changes a little with soil moisture content It is also shown that the deeper of soil layer, the smaller of the extent of shearing strength improved.
中文: 结果表明，植被具有提高非饱和土抗剪强度的作用，黏聚力增加较大，内摩擦角增加相对较小；土层越深，土壤抗剪强度提高的程度越小。
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英文: The results show that the internal friction angle of rock has importance affect on the displacement of surrounding rock for deep roadway when in-situ stress and support resistance all are certain.
中文: 分析结果表明，在地应力和支护阻力一定时，岩石的内摩擦角对深埋巷道围岩位移的影响最为明显。
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